20-letter words containing l, e, f

llywelyn ap gruffudd — died 1282, prince of Wales (1258–82): the only Welsh ruler to be recognized as such by the English
look before you leap — be aware of the risks involved in sth
lost property office — room for mislaid objects
lower yosemite falls — a section of Yosemite Falls in central California, in the Yosemite National Park, that is 98 m (320 ft) high
loyal order of moose — See under moose (def 2).
make head or tail of — to attempt to understand (a problem, etc)
margaret of scotland — Saint. 1045–93, queen consort of Malcolm III of Scotland. Her piety and benefactions to the church led to her canonization (1250). Feast days: June 10, Nov 16
marquis de lafayette — Marie Joseph Paul Yves Roch Gilbert du Motier [ma-ree zhaw-zef pawl eev rawk zheel-ber dy maw-tyey] /maˈri ʒɔˈzɛf pɔl iv rɔk ʒilˈbɛr dü mɔˈtyeɪ/ (Show IPA), Marquis de. Also, La Fayette. 1757–1834, French soldier, statesman, and liberal leader, who served in the American Revolutionary Army as aide-de-camp to General Washington, and took a leading part in the French revolutions of 1789 and 1830.
master of the revels — an English court official from the late 15th to early 18th centuries responsible to the Lord Chamberlain for overseeing and paying for court entertainments.
member of parliament — A Member of Parliament is a person who has been elected by the people in a particular area to represent them in a country's parliament. The abbreviation MP is often used.
member of the public — a member of the general population
methyl chloroformate — a colorless liquid, C 2 H 3 ClO 2 , used chiefly in organic synthesis.
microsoft sql server — (database) A relational database management system (RDBMS) which is part of Microsoft's BackOffice family of servers. SQL Server was designed for client/server use and is accessed by applications using SQL. It runs on Windows NT version 3.5 or higher and is compliant with the ANSI SQL-92 and FIPS 127-2 SQL standards. SQL Server supports symmetric multiprocessing hardware; SNMP, ODBC, and major open standard communications protocols. It has Internet integration, data replication, and data warehousing features. Microsoft SQL Server was originally developed by Sybase Corporation but the cooperation was broken sometime [when?] before version 6.0.
mitral insufficiency — abnormal closure of the mitral valve resulting in regurgitation of blood into the atrium and leading to reduced heart function or heart failure.
molybdenum disulfide — a black crystalline powder, MoS 2 , insoluble in water, used as a lubricant and as a hydrogenation catalyst.
most general unifier — (logic) If U is the most general unifier of a set of expressions then any other unifier, V, can be expressed as V = UW, where W is another substitution. See also unification.
mother of the chapel — (in British trade unions in the publishing and printing industries) a woman shop steward
mother-of-pearl moth — a pyralid moth, Pleuroptya ruralis, having a pale sheen, that is often seen around nettles, on which its green larvae feed
new zealand fur seal — an Australasian seal, Arctocephalus forsteri
no lack of something — If you say there is no lack of something, you are emphasizing that there is a great deal of it.
normal zeeman effect — the dividing of a spectral line or lines as a result of placing a radiation source in a magnetic field. The division consists of three equally spaced lines (normal Zeeman effect) in systems for which the spin quantum number is zero, or of three or more unequally spaced lines (anomalous Zeeman effect) in systems for which the spin quantum number is not zero.
northern leaf blight — a disease of corn caused by the fungus Exsherohilum turcicum, characterized by elongate tan-gray elliptical spots with subsequent blighting and necrosis of leaves.
of no/little account — If you say that something is of no account or of little account, you mean that it is very unimportant and is not worth considering.
of value/of no value — If something is of value, it is useful or important. If it is of no value, it has no usefulness or importance.
official secrets act — law: legislation protecting state secret
old man of the woods — an edible, mild-tasting mushroom, Strobilomyces floccopus, occurring in coniferous woodlands of eastern North America.
olfactory anesthesia — absence or loss of the sense of smell.
on the factory floor — in a factory; as a factory worker
order bill of lading — a bill of lading that is issued to the order of a shipper or consignee for delivery of the goods and that can be transferred by endorsement to third parties.
order of the thistle — an ancient Scottish order of knighthood revived by James VII of Scotland in 1687. It consists of the sovereign, 16 knights brethren, and extra members created by statute. It is the equivalent of the Order of the Garter, and is usually conferred on Scots
ousterhout's fallacy — Ousterhout's dichotomy
paper qualifications — qualifications gained through official examinations, etc, rather than through experience
pappus of alexandria — 3rd century bc, Greek mathematician, whose eight-volume Synagoge is a valuable source of information about Greek mathematics
parallel of altitude — almucantar.
parallel of latitude — parallel (def 9).
parametric amplifier — a device, as an electron tube or transistor, that amplifies a high-frequency input signal by sinusoidally varying the reactance of the circuit.
partial differential — an expression obtained from a given function of several variables by taking the partial derivative with respect to one of the variables and multiplying by the increment in that variable.
patent foramen ovale — a congenital heart defect resulting from failure of the foramen ovale to close shortly after birth.
paternal grandfather — the father of someone's father
peaceful coexistence — competition without war, or a policy of peace between nations of widely differing political systems and ideologies, especially between Communist and non-Communist nations: peaceful coexistence between the U.S. and the Soviet Union.
period of revolution — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
permonosulfuric acid — persulfuric acid (def 1).
pest control officer — a person who gets rid of pests such as rats and mice
photoelectric effect — the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface.
piezoelectric effect — the property exhibited by some nonconducting crystals of becoming electrically polarized when mechanically strained and of becoming mechanically strained when an electric field is applied.
pleased with oneself — If someone seems very satisfied with something they have done, you can say that they are pleased with themselves, especially if you think they are more satisfied than they should be.
pledge of allegiance — a solemn oath of allegiance or fidelity to the U.S., beginning, “I pledge allegiance to the flag,” and forming part of many flag-saluting ceremonies in the U.S.
portfolio employment — the practice of working for several employers simultaneously rather than working full-time for a single employer
post office protocol — (messaging, protocol) (POP) A protocol designed to allow single-user computers to retrieve electronic mail from a POP server via TCP/IP. The default port is 110. The POP server might be a computer with a permanent Internet connection whereas its clients might only connect to it occasionally, e.g. by modem. There are (in 1994) three versions: POP, POP2, and POP3. Later versions are NOT compatible with earlier ones.
potential difference — voltage

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